Stations & Instrumentation
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picture of a Brassart Seismograph
(1886) |
The seismograph is to a seismologist what a telescope is to the
astronomer. There are two programs within IRIS that are dedicated
to the measurement of ground motion produced by earthquakes, volcanoes
and other sources. The data recorded from these two programs are
freely available to any researcher or entity through the Data
Management System (DMS).
A permanent network of 128, very broadband, digital seismic stations
distributed globally comprise the Global
Seismic Network (GSN). These extremely high quality, standardized
stations are designed to study the structure of the Earth's
interior using worldwide recordings of earthquakes, underground
explosions and volcanic activity.
A pool of over 1000 portable seismographs are available through
the Program for Array Seismic
Studies of the Continental Lithosphere (PASSCAL). Individual
researchers can borrow these instruments for temporary campaigns
to study the fine structure of the Earth, record aftershocks
from major earthquakes, or examine other seismic activity of
high interest.
 IRIS
Instrumentation Committee
Global Station Instrumentation (GSN)
Portable
Instrumentation (PASSCAL)
List
of over 12,000 stations compiled by the NEIC
Make station maps using SeismiQuery
(use station or channel query option)
MetaData
Aggregator (prints metadata summaries from the IRIS DMC database
)
Network Information
Vnets:
The virtual network browser
Advanced
Broadband Seismic Sensor Workshop (March, 2004)
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